Dell Pro Tower Desktop

Model: QCT1255
£1,339.19
£1,115.99 excluding VAT @20%
Free Delivery
Get it now for as low as £55.80 over 24 months with 0% interest.
Subject to approval. Ts and Cs apply.
1
Offer ID qct1255_reg_01
Dell Pro Tower Desktop

Tackle high-performance tasks effortlessly. Featuring Copilot+ PC options for AI-enhanced productivity. Built for businesses, it offers exceptional security, seamless manageability and expandable options.

Build your own
AMD Ryzen™ 3 8300G (4 cores, up to 4.9GHz)
AMD Ryzen™ 3 8300G (4 cores, up to 4.9GHz)
Selected
AMD Ryzen™ 3 PRO 8300G (4 cores, up to 4.9GHz)
+ £7.20
AMD Ryzen™ 5 8500G (6 cores, up to 5.0GHz)
+ £15.60
AMD Ryzen™ 5 8600G (16 TOPS NPU, 6 cores, up to 5.0GHz)
+ £24.00
AMD Ryzen™ 5 PRO 8500G (6 cores, up to 5.0GHz)
+ £37.20
AMD Ryzen™ 5 PRO 8600G (16 TOPS NPU, 6 cores, up to 5.0GHz)
+ £63.60
AMD Ryzen™ 7 8700G (16 TOPS NPU, 8 cores, up to 5.1GHz)
+ £106.80
AMD Ryzen™ 7 PRO 8700G (16 TOPS NPU, 8 cores, up to 5.1GHz)
+ £132.00
AMD Ryzen™ AI 5 PRO 440G (50 TOPS NPU, 6 cores, up to 4.8GHz)
+ £168.00
AMD Ryzen™ AI 5 PRO 435G (50 TOPs NPU, 6 cores, up to 4.5GHz)
+ £178.80
AMD Ryzen™ AI 7 PRO 450G (50 TOPS NPU, 8 cores, up to 5.1GHz)
+ £277.20
AMD Ryzen™ AI 7 450G (50 TOPS NPU, 8 cores, up to 5.1GHz)
+ £254.40
AMD Ryzen™ AI 5 440G (50 TOPS NPU, 6 cores, up to 4.8GHz)
+ £151.20
AMD Ryzen™ AI 5 435G (50 TOPs NPU, 6 cores, up to 4.5GHz)
+ £138.00
Windows 11 Pro
Windows 11 Pro
Selected
English, Dutch, French, German, Italian
English, Dutch, French, German, Italian
Selected
16 GB: 1 x 16 GB, DDR5, up to 5600 MT/s
8GB: 1 x 8GB, DDR5, up to 5600 MT/s
– £208.80
16 GB 2 x 8 GB DDR5 up to 4800 MT/s non ECC
£0.00
16 GB: 1 x 16 GB, DDR5, up to 5600 MT/s
Selected
32 GB: 2 x 16 GB, DDR5, up to 4800 MT/s, non-ECC
+ £458.40
32 GB 1 x 32 GB DDR5 up to 4800 MT/s non ECC
+ £458.40
64 GB 2 x 32 GB DDR5 4800MT/s
+ £1,333.20
512 GB SSD Gen4x4 QLC
£270.00
+ £270.00
£484.80
+ £484.80
£262.80
+ £262.80
£270.00
Selected
£186.00
+ £186.00
£484.80
+ £484.80
£256.80
+ £256.80
£262.80
+ £262.80
Internal speaker
None
Internal speaker
Selected
None
None
Selected
MediaTek Wi-Fi 6 MT7920, 2x2, 802.11ax, MU-MIMO, Bluetooth® wireless card, internal antenna
+ £14.40
MediaTek Wi-Fi 7 MT7925, Bluetooth® wireless card
+ £19.20
MediaTek Wi-Fi 7 MT7925, 2x2, 802.11be, MU-MIMO, Bluetooth® wireless card, internal antenna
+ £19.20
MediaTek Wi-Fi 6 MT7920, 2x2, 802.11ax, MU-MIMO, Bluetooth® wireless card, external antenna
+ £14.40
Dell Pro Tower QCT1255 with 180W PSU
Dell Pro Tower QCT1255 with 360W PSU
+ £24.00
Dell Pro Tower QCT1255 with 180W PSU
Selected
Dell Pro Tower QCT1255 with 180W PSU
£0.00
Dell Pro Tower QCT1255 with 360W PSU
+ £24.00
No Power Cord
No Power Cord
Selected
SERI for EMEA: ENG, FR, GER, ITL, DUT
SERI for EMEA: ENG, FR, GER, ITL, DUT
Selected
None
None
Selected
Optional Serial Port
+ £12.00
None
None
Selected
Optional DisplayPort 2.1, UHBR20, V1
+ £14.40
Optional HDMI 2.1 Port
+ £14.40
Optional USB Type-C with DisplayPort Alt mode
+ £21.60
Optional VGA Port
+ £16.80
Optional 2 x USB 3.2 Gen 2 Type-A Ports
+ £16.80
DP module Device Interface Board, Back-End, No Adapter, Card,Interface
+ £14.40
ENERGY STAR Qualified
None
ENERGY STAR Qualified
Selected
Single Pack Shipping Material
Single Pack Shipping Material
Selected
Label - LBL,REG,EMFP,180W,DELTA MT
Label - LBL,REG,EMFP,180W,DELTA MT
Selected
Label - EMEA Shipment Material - Label
Label - EMEA Shipment Material - Label
Selected
Screw for Single SSD Config
Selected
+ £3.60
Basic Hardware Service with Onsite Support After Remote Diagnosis
Basic Hardware Service with Onsite Support After Remote Diagnosis
Selected
No Keyboard Selected
No Keyboard Selected
Selected
No Mouse Selected
No Mouse Selected
Selected
Dell Additional SW -Dell Pro Desktop
Dell Additional SW -Dell Pro Desktop
Selected
None
None
Selected
Mechanical - ASSY,CRD,I/O,USB3.1,A,FH,D12
+ £39.60
PS/2 and Serial port card (Full Height)
+ £10.80
Serial/Parallel Port Card Full Height Adapter
+ £25.20
Serial Module PCIe, Back-End, Full Height Adapter
+ £80.40
TYPE C Module Add in, Internal, CUSTOM
+ £38.40
None
None
Selected
Dell Ultra Speed SSD card, Full Height
+ £21.60
None
None
Selected
Intel Ethernet Network Adapter I226 Series
+ £48.00
Accessory - Chassis intrusion switch
Accessory - Chassis intrusion switch
Selected
None
None
Selected
8x DVD+/-RW 9.5mm Optical Disk Drive
+ £24.00
8x DVD-ROM 9.5mm ODD
+ £24.00
None
None
Selected
TCO Certified Label
£0.00
Integrated Graphics
NVIDIA RTX A400, 4 GB GDDR6, full height, 4 mDP to DP
+ £156.00
Integrated Graphics
Selected
EPEAT Silver with Climate+
None
EPEAT Gold with Climate+
£0.00
EPEAT Silver with Climate+
Selected
Power Cord, C13 to BS 1363 / SS145, 1.8 m, 250 V, 13 A, United Kingdom
None
Power Cord, C13 to BS 1363 / SS145, 1.8 m, 250 V, 13 A, United Kingdom
Selected
Power Cord, C13 to CEE 7/7, 1.8 m, 250 V, 10 A, Europe
£0.00
No Power Cord
£0.00
Dell Pro 5 Keyboard and Mouse - KM526 - English-UK (QWERTY) - Black
None
No Keyboard and Mouse Selected
– £45.59
Dell Pro 3 Smartcard Keyboard - KB813 - English International (QWERTY)
+ £10.37
Dell Pro 3 Smartcard Keyboard - KB813 - English-UK (QWERTY)
+ £10.37
Dell Pro 5 Wired Silent Collaboration Keyboard - KB525C - English-UK (QWERTY)
– £4.14
Dell Pro 5 Silent Compact Keyboard and Mouse - KM555 - English-UK (QWERTY)
+ £3.11
Dell Pro 5 Keyboard and Mouse - KM526 - English-UK (QWERTY) - Black
Selected
Dell Pro 5 Keyboard and Mouse - KM526 - English International (QWERTY) - Black
£0.00
Dell Pro 5 Keyboard and Mouse - KM526 - English International (QWERTY) - Light Ash (Off White)
£0.00
Dell Pro 3 Wired Keyboard - KB216 - English-UK (QWERTY) - Black
– £25.90
Dell Pro 5 Wired Silent Collaboration Keyboard - KB525C - English International (QWERTY)
– £4.14
Dell Pro 5 Silent Compact Keyboard and Mouse - KM555 - English International
+ £3.11
Dell Pro 7 Slim Keyboard and Mouse - KM726 - English International (QWERTY)
+ £39.38
Dell Pro 7 Slim Keyboard and Mouse - KM726 - English-UK (QWERTY)
+ £39.38
Mouse Included with Keyboard combo / No Standalone Mouse selected
None
Dell Pro 3 Wired Mouse - MS116 - Black
+ £11.40
Mouse Included with Keyboard combo / No Standalone Mouse selected
Selected
No Mouse Selected
£0.00
Dell Pro 3 Wired Mouse - MS116 - Grey
+ £11.40
Dell Pro 3 Wired Mouse - MS116 - White
+ £11.40
Dell Pro 5 Wired Mouse - MS3220 - Titan Gray
+ £21.76
Dell Pro 5 Wired Mouse - MS3220 - Black
+ £21.76
Commonly asked questions about tech specs

Tech Specs

  • Processor

    AMD Ryzen™ 3 8300G (4 cores, up to 4.9GHz)

  • Operating System
    (Dell Technologies recommends Windows 11 Pro for business)

    Windows 11 Pro

  • Graphics Card

    Integrated Graphics

  • Memory *

    16 GB: 1 x 16 GB, DDR5, up to 5600 MT/s

  • Storage

    512 GB SSD Gen4x4 QLC

  • Software System Management

    Dell Additional SW -Dell Pro Desktop

  • Microsoft Office

    Activate Your Microsoft 365 For A 30-Day Trial

  • PC Operating System Language Pack - ATO - Windows 11 X86

    English, Dutch, French, German, Italian

  • Energy Star

    ENERGY STAR Qualified

  • Hardware Support Services Upgrades

    ProSupport with Onsite Service After Remote Diagnosis

  • Base Warranty

    Basic Hardware Service with Onsite Support After Remote Diagnosis

  • Keyboard

    Dell Pro 5 Keyboard and Mouse - KM526 - English-UK (QWERTY) - Black

  • Keyboard

    No Keyboard Selected

  • Mouse

    Mouse Included with Keyboard combo / No Standalone Mouse selected

  • Mouse

    No Mouse Selected

  • Ports

    Front:

    2 USB 2.0 (480 Mbps) with PowerShare ports
    1 USB 3.2 Gen 1 (5 Gbps) Type-C® port
    1 USB 3.2 Gen 1 (5 Gbps) port
    1 universal audio port

    Rear:
    2 USB 2.0 (480 Mbps) ports
    2 USB 3.2 Gen 1 (5 Gbps) ports
    1 RJ45 (1 Gbps) Ethernet port
    1 HDMI 2.1 (TMDS) port
    1 DisplayPort™ 1.4a (HBR3) port

    Rear (expansion, these are mutually exclusive options):
    1 VGA port (optional)
    1 HDMI 2.1 (FRL) port (optional)
    1 DisplayPort™ 1.4a (HBR3) port (optional)
    1 serial port (optional)
    2 USB 3.2 Gen 2 (10 Gbps) ports (optional)
    1 USB 3.2 Gen 2 (10 Gbps) Type-C® with DisplayPort™ Alt Mode port (optional)

  • Slots

    1 SATA 3.0 HDD slot
    1 SATA 3.0 ODD slot
    2 full-height Gen3 PCIe x1 slots
    1 full-height Gen4 PCIe x16 slot (wired as x8)
    1 M.2 2230/2280 SSD slot
    1 M.2 2230 slot for WiFi and Bluetooth combo card

  • dimensns@dell-pro-qct1255-desktop

    Height: 324.30 mm (12.77 in.)
    Width: 154.00 mm (6.06 in.)
    Depth: 293.00 mm (11.54 in.)
    Weight (Minimum): 6.00 kg (13.23 lb)*
    Weight (Maximum): 6.76 kg (14.91 lb)*

  • Power Cord

    Power Cord, C13 to BS 1363 / SS145, 1.8 m, 250 V, 13 A, United Kingdom

  • Power Cord

    No Power Cord

  • Speaker

    Internal speaker

Reviews

Ratings & Reviews are provided by verified users through email, My Account, or at events.
What customers are saying
Customers praise the Dell Desktop PC for its reliable performance, easy setup, ample storage, and quiet operation, noting it handles office, school, and small‑business tasks without slowdown. A minority report problems such as missing keyboard dongles, absent SATA power cables, and occasional video chip glitches that required extended repairs. Overall, most feedback highlights smooth daily use—examples include fast Microsoft Office work, successful financial applications, and satisfactory home‑office productivity—while the few hardware omissions and repair delays remain outliers.
This AI-generated summary reflects customer review from the past two years and is updated weekly.
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£1,339.19
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